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Model using Bauer score, ambulation may predict survival after spine surgery for metastatic disease
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Researchers of this retrospective multicenter study of patients who underwent surgery for spine metastases found 48% survival at 1 year and that a model using a high-modified Bauer score, normal albumin level and intact preoperative ambulatory status was more predictive of survival than use of the modified Bauer score alone.
Researchers attempted to create a model of survival for 307 patients who underwent surgical intervention for metastatic disease involving the spine. Patients had an average age of 60.2 years. Most patients were Caucasian and 58% were male. The most common diagnosis in the patient cohort was lung cancer (16.4%), followed by breast cancer (13.2%). The patients’ demographic, medical, surgical, oncological and survival data were taken from medical records.
The 1-year survival rate was 48%, with a median survival of 10 months for the patient cohort.
Researchers found patients with a high-modified Bauer score, intact preoperative ambulatory status and a normal albumin level had a higher rate of survival than patients who did not.
“Our primary study results demonstrate that patients with a higher-modified Bauer score, intact preoperative ambulatory status, and normal albumin live longer, and these three criteria can be used to model survival,” researchers wrote in the study.
Researchers noted that a patient with a high-modified Bauer score has a 67% chance of survival at 1-year follow-up. However, with no other “healthiness states,” that rate of survival drops to 30%. If that patient has two other “healthiness states,” the rate of survival jumps to 78%. Researchers concluded their model is capable of predicting outcomes and is easy to use. – by Robert Linnehan
Disclosures: Ghori reports no relevant financial disclosures. Please see the full study for a list of all other authors’ relevant financial disclosures.
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